Home / 8,167.89-11,271.38-4,631.01

Finding the Fourth Proportional to 8,167.89, 11,271.38 and 4,631.01

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Solution

The fourth proportional to 8,167.89, 11,271.38 and 4,631.01 is: 6,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.89 : 11,271.38 = 4,631.01 : x
  2. Step 2: Convert to fraction form
    8,167.89/11,271.38 = 4,631.01/x
  3. Step 3: Cross multiply
    8,167.89x = 11,271.38 × 4,631.01
  4. Step 4: Simplify right side
    8,167.89x = 52,197,850.34
  5. Step 5: Solve for x
    x = 52,197,850.34/8,167.89
  6. Step 6: Final answer
    x = 6,390.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.